Detailed text transcripts for TV channel - MSNBC - 20130531:13:02:00
Screens mail bound for new york city's city hall. a third was sent to mark glaze. here in washington he runs bloomberg's advocacy group mayors against illegal guns. all three letters share a shreveport, louisiana postmark and were mailed nearly two weeks ago. nbc's justice correspondent pete williams joins me now with the latest. pete, what do we know about this individual who law enforcement officials are questioning? se directly tied to this matter? >> i think it's going to be a long time before they say whether or not he is, luke. they're questioning him and his wife. they've taken material...